June 2015 - Ed.2.1
Audio over IP decoders E411, E413, E415 & E417 technical manual
Page 8
3.2
Power supply
The devices can be powered by an external 12 or 24 volts DC power supply (connector
in the Figure 2) or
by PoE
5
(Power over Ethernet) using the Ethernet cable.
The PoE versions can be powered also through the connector
. If both supplies are simultaneously
present, the PoE is not used.
The external power supply connector needed is 5.5 x 2.1 mm, with the polarity shown in the figure:
Figure 3: Power connector
The minimum power requirements depend on the device and the usage, as shown in the table:
Amplifier not used
Amplifier up to
7W + 7W
Amplifier up to
12W + 12W
E411
12V / 1A
---
---
E413
12V / 1A
---
---
E415
12V / 1A
12V / 2A
24V / 2A
E417
12V / 1A
12V / 2A
24V / 2A
E411-P
12V / 1A or
PoE (802.3af)
---
---
E413-P
12V / 1A or
PoE (802.3af)
---
---
E415-P
12V / 1A or
PoE (802.3af)
12V / 2A or
PoE+ (802.3at)
24V / 2A
E417-P
12V / 1A or
PoE (802.3af)
12V / 2A or
PoE+ (802.3at)
24V / 2A
IMPORTANT NOTE:
Decoders with amplified audio output (E415 and E417) need to be powered with an
external 24V / 2A supply to achieve the maximum output power to the loudspeakers, even in the ‘-P’ version.
PoE+ can’t supply as much power as the device needs.
3.3
Indicators
There are four LEDs in the front plate of the device (
) with the following meaning:
ON
(Green): indicates that the device is powered.
RUN
(Green) when flashing indicates that the device is working properly.
OUT
(Green): indicates active audio output.
ERROR
(Red): Indicates some kind of error. It can be a network error, a malformed audio source or a
serious system failure.
5
All the devices can be ordered with the “-P” option for PoE powering.
1
11
11
